org.simantics.district.network.ui/src/org/simantics/district/network/ui/nodes/DistrictNetworkVertexNode.java

   1 package org.simantics.district.network.ui.nodes;
   2
   3 import java.awt.BasicStroke;
   4 import java.awt.Color;
   5 import java.awt.Graphics2D;
   6 import java.awt.RenderingHints;
   7 import java.awt.geom.AffineTransform;
   8 import java.awt.geom.Point2D;
   9 import java.awt.geom.Rectangle2D;
  10
  11 import org.simantics.district.network.ModelledCRS;
  12 import org.simantics.district.network.ui.adapters.DistrictNetworkVertex;
  13 import org.simantics.scenegraph.ISelectionPainterNode;
  14 import org.simantics.scenegraph.g2d.G2DNode;
  15 import org.simantics.scenegraph.utils.GeometryUtils;
  16 import org.simantics.scenegraph.utils.NodeUtil;
  17
  18 public class DistrictNetworkVertexNode extends G2DNode implements ISelectionPainterNode {
  19
  20     //private static final Logger LOGGER = LoggerFactory.getLogger(DistrictNetworkVertexNode.class);
  21
  22     private static final long serialVersionUID = -2641639101400236719L;
  23
  24     private static final BasicStroke STROKE           = new BasicStroke(4, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);
  25     private static final Color       SELECTION_COLOR  = new Color(255, 0, 255, 96);
  26
  27     private static final double left = -0.25;
  28     private static final double top = -0.25;
  29     private static final double width = 0.5;
  30     private static final double height = 0.5;
  31
  32     private static final Rectangle2D NORMAL = new Rectangle2D.Double(left, top, width, height);
  33     private static final Rectangle2D HOVERED = new Rectangle2D.Double(left * 3, top * 3, width * 3, height * 3);
  34
  35     private DistrictNetworkVertex vertex;
  36
  37     private boolean scaleStroke = true;
  38     private boolean hover;
  39
  40     private Color color;
  41     private transient Color dynamicColor;
  42
  43     private Rectangle2D bounds;
  44
  45     private double nodeSize = 1;
  46
  47     @Override
  48     public void init() {
  49         setZIndex(2);
  50     }
  51
  52     @Override
  53     public void render(Graphics2D g2d) {
  54         if (nodeSize <= 0.0)
  55             return;
  56
  57         AffineTransform ot = null;
  58         AffineTransform t = getTransform();
  59         if (t != null && !t.isIdentity()) {
  60             ot = g2d.getTransform();
  61             g2d.transform(getTransform());
  62         }
  63
  64         Object oaaHint = null;
  65         Object aaHint = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
  66         if (aaHint != RenderingHints.VALUE_ANTIALIAS_OFF) {
  67             oaaHint = aaHint;
  68             g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
  69         }
  70
  71         Color oldColor = g2d.getColor();
  72
  73         double scaleRecip = 1;
  74         if (scaleStroke) {
  75             double scale = GeometryUtils.getScale(g2d.getTransform());
  76             scale = Math.max(10000, Math.min(scale, 50000));
  77             scaleRecip = 1.0 / scale;
  78         }
  79         scaleRecip = scaleRecip * nodeSize;
  80
  81         // Translate lat and lon to X and Y
  82         Point2D res = calculatePoint2D(vertex);
  83
  84         Rectangle2D toDraw;
  85         if (hover) {
  86             toDraw = new Rectangle2D.Double(res.getX() - (HOVERED.getWidth() / 2 * scaleRecip), res.getY() - (HOVERED.getHeight() / 2 * scaleRecip), HOVERED.getWidth() * scaleRecip, HOVERED.getHeight() * scaleRecip);
  87         } else {
  88             toDraw = new Rectangle2D.Double(res.getX() - (NORMAL.getWidth() / 2 * scaleRecip), res.getY() - (NORMAL.getHeight() / 2 * scaleRecip), NORMAL.getWidth() * scaleRecip, NORMAL.getHeight() * scaleRecip);
  89         }
  90
  91         if (NodeUtil.isSelected(this, 1)) {
  92             g2d.setColor(SELECTION_COLOR);
  93             BasicStroke ss = GeometryUtils.scaleStroke(STROKE, (float) scaleRecip*2);
  94             g2d.setStroke(ss);
  95             g2d.draw(toDraw);
  96         }
  97
  98         // render
  99         g2d.setColor(dynamicColor != null ? dynamicColor : color);
 100         g2d.fill(toDraw);
 101
 102         // Reset settings
 103         g2d.setColor(oldColor);
 104         if (oaaHint != null)
 105            g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, aaHint);
 106         if (ot != null)
 107             g2d.setTransform(ot);
 108     }
 109
 110     @Override
 111     public Rectangle2D getBounds() {
 112         return super.getBounds();
 113     }
 114
 115     @Override
 116     public Rectangle2D getBoundsInLocal() {
 117         return bounds;
 118     }
 119
 120     private void updateBounds() {
 121         Rectangle2D oldBounds = bounds;
 122         if (oldBounds == null)
 123             oldBounds = new Rectangle2D.Double();
 124         bounds = calculateBounds(oldBounds);
 125     }
 126
 127     @Override
 128     public void setTransform(AffineTransform transform) {
 129         super.setTransform(transform);
 130         // Update bounds
 131         updateBounds();
 132     }
 133
 134     @Override
 135     public AffineTransform getTransform() {
 136         return super.getTransform();
 137     }
 138
 139     private Rectangle2D calculateBounds(Rectangle2D rect) {
 140         Point2D calcPoint = calculatePoint2D(vertex);
 141         AffineTransform at = getTransform();
 142         return new Rectangle2D.Double(calcPoint.getX(), calcPoint.getY(), width / at.getScaleX(), height / at.getScaleY()).getBounds2D();
 143     }
 144
 145     private static Point2D calculatePoint2D(DistrictNetworkVertex vertex) {
 146         Point2D point= vertex.getPoint();
 147         double x = ModelledCRS.longitudeToX(point.getX());
 148         double y = ModelledCRS.latitudeToY(-point.getY()); // Inverse because Simantics Diagram is inverted
 149
 150         // Apply the scaling
 151         Point2D res = new Point2D.Double(x, y);
 152         return res;
 153     }
 154
 155     public void setVertex(DistrictNetworkVertex vertex) {
 156         this.vertex = vertex;
 157         updateBounds();
 158     }
 159
 160     public boolean hover(boolean hover) {
 161 //        if (hover && LOGGER.isDebugEnabled())
 162 //            LOGGER.debug("Hovering " + this);
 163         boolean changed = false;
 164         if (this.hover != hover) {
 165             this.hover = hover;
 166             changed = true;
 167         }
 168         return changed;
 169     }
 170
 171     public void setColor(Color color) {
 172         this.color = color;
 173     }
 174
 175     public Color getColor() {
 176         return color;
 177     }
 178
 179     @PropertySetter(value = "size")
 180     public void setSize(Double size) {
 181         boolean changed = false;
 182         if (size != null) {
 183             changed = size != this.nodeSize;
 184             this.nodeSize = size;
 185         } else {
 186             changed = this.nodeSize != 1.0;
 187             this.nodeSize = 1.0;
 188         }
 189         if (changed)
 190             updateBounds();
 191     }
 192
 193     @PropertySetter(value = "dynamicColor")
 194     public void setDynamicColor(Color color) {
 195         this.dynamicColor = color;
 196     }
 197
 198 }